package test1223;

public class Test06 {
    public static void main(String[] args) {
        // 打印1,3,5,7,9
        for (int i = 1; i <= 9; i += 2) {
            System.out.print(i);
        }
        System.out.println();

        // 打印10,8,6,4,2
        for (int i = 10; i >= 2; i -= 2) {
            System.out.print(i);
        }
    }
}


